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发明名称
METHOD OF MANUFACTURING VARIABLE-RECTANGULAR-CROSS-SECTION TUBES
摘要
申请公布号
SU680089(A1)
申请公布日期
1979.08.15
申请号
SU19772484574
申请日期
1977.05.11
申请人
VOVK ALEKSANDR A,SU
发明人
VOVK ALEKSANDR A,SU
分类号
H01P11/00;(IPC1-7):H01P11/00
主分类号
H01P11/00
代理机构
代理人
主权项
地址
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